19798722

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28585278

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 114, 138, 171, 207, 342, 414, 437, 513, 621, 839, 874, 1026, 1242, 1311, 1678, 2517, 2622, 3933, 5034, 7551, 7866, 11799, 15102, 15941, 19297, 22653, 23598, 31882, 38594, 45306, 47823, 57891, 95646, 115782, 143469, 173673, 286938, 347346, 366643, 430407, 521019, 733286, 860814, 1042038, 1099929, 2199858, 3299787, 6599574, 9899361, 19798722]

約数ペア:

[(1, 19798722), (2, 9899361), (3, 6599574), (6, 3299787), (9, 2199858), (18, 1099929), (19, 1042038), (23, 860814), (27, 733286), (38, 521019), (46, 430407), (54, 366643), (57, 347346), (69, 286938), (114, 173673), (138, 143469), (171, 115782), (207, 95646), (342, 57891), (414, 47823), (437, 45306), (513, 38594), (621, 31882), (839, 23598), (874, 22653), (1026, 19297), (1242, 15941), (1311, 15102), (1678, 11799), (2517, 7866), (2622, 7551), (3933, 5034)]